Dong Liu - Conference and Invited Talks

Keynote Addresses and Invited Talks:

Invited Talk. A Multifaceted Computational Framework for Evaluating the 15-Minute City Using Geospatial and Social Sensing Big Data. Computational Social Sciences Workshop, Faculty of Social Sciences, University of Macau, Macau SAR, China. September 22, 2025.
Invited Talk. Computational urban health analytics: deploying fine-grained spatial data to optimize healthcare accessibility. Shanghai Key Laboratory of Urban Design and Urban Science, New York University Shanghai (NYU Shanghai), Shanghai, China. May 19, 2025.
Invited Talk. Geospatial big data analytics for measuring spatial accessibility within the chrono-urbanism framework. Urban Governance and Design Thrust, The Hong Kong University of Science and Technology (Guangzhou), Guangzhou, China. April 15, 2025.
Invited Talk. Quantifying the progress of 15-minute city development: A geospatial perspective. Department of Geography, Kyung Hee University, Seoul, South Korea. December 3, 2024.
Invited Talk. Assessing the impacts of subjective greenspace perception and objective greenspace accessibility on real greenspace usage. Climate Change, GeoAI, and Urban Health Workshop. College of Architecture & Urban Planning, Tongji University, Shanghai, China. November 30-December 1, 2024.
Invited Talk. Assessment of the 15-minute city development based on integrative geospatial big data analytics. School of Public Administration, East China Normal University, Shanghai, China. November 27, 2024.
Invited Talk. Towards a better understanding of environmental health and urban sustainability: Unleashing the power of geospatial big data-driven integrative assessment and mobile sensing. Environmental Geography Unit, Graduate School of Environmental Studies (GSES), Tohoku University, Sendai, Miyagi Prefecture, Japan. August 6, 2024.
Invited Talk. Individual mobile sensing-based environmental exposure investigation. State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing (LIESMARS), Wuhan University, Wuhan, China. July 3, 2024.
Keynote Address. Promoting healthy and sustainable cities through geospatial data analytics. Workshop on Utilizing Geospatial Big Data for Healthy and Sustainable Cities. United Nations University Institute in Macau (UNU Macau), São Lázaro, Macau SAR, China. March 1, 2024.
Invited Talk. Analyzing individual environmental exposures based on portable sensors. School of Resource and Environmental Science, Wuhan University, Wuhan, China. January 15, 2024.
Invited Talk. Investigating the individual simultaneous tri-exposure to greenspace, noise and air pollution by utilizing GPS and real-time sensing data. School of Public Administration, East China Normal University, Shanghai, China. January 22, 2024.
Invited Talk. Exploring tri-exposure to greenspace, noise and air pollution in Hong Kong using portable sensors. Urban Health and Wellbeing Programme, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen, China. January 29, 2024.

Conference Presentations:

Liu, D. Granular assessment of 15-minute primary healthcare accessibility using high-resolution geospatial data. The 2nd China Conference on Information Geography, Chengdu, China. August 17-20, 2025.
Liu, D. Bridging digital traces and physical spaces: A GPS-machine learning spatiotemporal framework for sustainable mobility infrastructure. 2025 Harvard Center for Geographic Analysis Conference & International Symposium on Spatiotemporal Data Science: The Geography of Digital Twins, Cambridge, MA, USA. May 22-24, 2025.
Liu, D. Advancing urban sustainability through geospatial data: An integrated approach for assessing x-minute city development progress. Annual Meeting of the American Association of Geographers (AAG), Detroit, MI, USA. April 24-28, 2026.
Liu, D. Unveiling inequality in nodal accessibility of public transportation for sustainable urban development. The 28th International Conference of Hong Kong Society for Transportation Studies, Hong Kong. December 9-10, 2024.
Liu. D. Building a sustainable and healthy urban future: Leveraging geospatial analytics to optimize sustainable transportation. The 2nd Youth Innovation Forum on Digital Earth, The Chinese University of Hong Kong, Sha Tin, Hong Kong. December 4-7, 2024
Liu, D. Assessing the progress towards urban sustainable development: A geospatial data-driven integrative approach. Hong Kong Geography Day 2024, The Chinese University of Hong Kong, Sha Tin, Hong Kong. November 23, 2024.
Liu, D. Towards Sustainable Urban Transportation: A Space-Time Analytical Framework for Unveiling Refueling Behavior Patterns. 2024 China Behavioral Geography Annual Conference and the 20th Spatial Behavior and Planning Academic Seminar, Northwest University, Xi’an, Shaanxi Province, China. October 25-28, 2024.
Liu, D. Integrative Assessment of Urban Sustainable Development Using Geospatial Big Data. 115th Anniversary of the Geographical Society of China & China Conference on Geography 2024, Nanjing, Jiangsu Province, China. September 26-29, 2024.
Liu, D. Investigation of the Space-Time Refueling Patterns for Alternative Fuel Vehicles. The 5th International Time Geography Conference, Toyama, Toyama Prefecture, Japan. August 2-4, 2024.
Liu, D. Utilizing Portable Sensing Data to Explore Health-Related Environmental Exposure and its Influential Factors. Annual Meeting of the American Association of Geographers (AAG), Honolulu, HI, USA. April 16-20, 2024.
Liu, D. Optimizing Refueling Infrastructure for Clean Vehicles Using GPS Data and Machine Learning. United Nations University Institute in Macau (UNU Macau) AI Conference 2024, Sé, Macau. April 24-25, 2024.
Liu, D. Exploring the Development Status of x-Minute City with Online Mapping and SNS Big Data. Research Workshop on Geoinformatics and Urban Sustainability, Hong Kong. April 2, 2024.
Liu, D. Towards Healthy and Sustainable Cities: Investigating the Holistic 15-Minute City Status with POI and Social Media Check-in Big Data. The 1st International Geospatial Health Research Network (IGHRN) Workshop, Hong Kong. December 6-8, 2023.
Liu, D. Assessing Inequality in Walking Accessibility to Public Transport in Hong Kong. The 27th International Conference of Hong Kong Society for Transportation Studies, Hong Kong. December 11-12, 2023.
Liu, D. Assessing Mobility-Based Individual Tri-Exposure to Greenspace and Noise/Air Pollution Using GPS and Mobile Sensing Data. China Healthy City Science Annual Conference, Tongji University, Shanghai. October 26-27, 2023
Liu, D. 15-Minute City and Climate Resilience. CUHK-Exeter ENSURE Mini-Symposium, Hong Kong. June 1-2, 2023
Liu, D. Assessing the Healthy Living Environment Exposure by Considering Greenspace and Healthy Food. Center for Geographic Analysis (CGA) 2023 Conference: From Geospatial Research to Health Solutions, Harvard University, Cambridge, MA. March 20-21, 2023.
Liu, D. Green/Blue Space and COVID-19: Assessing the Doubly Disadvantaged Neighborhoods in Hong Kong. Annual Meeting of the American Association of Geographers (AAG), Denver, CO. March 23-27, 2023
Liu, D. Investigating Space-Time Patterns of COVID-19 Transmission Risk and Their Associations with the Built Environment in Hong Kong (Virtual Session). Annual Meeting of the Canadian Association of Geographers - Ontario Division (CAGONT), London ON, November 12-13, 2021
Liu, D. Analyzing Disparities in Transit-Based Healthcare Accessibility in the Chicago Metropolitan Area (Virtual Session). Annual Meeting of the American Association of Geographers (AAG), Seattle WA, April 7-11, 2021
Liu, D. A Space-Time GIS Approach for Assessing Refueling Activity Patterns (Virtual Session). Annual Meeting of the West Lakes Division of the American Association of Geographers (WLDAAG), Edwardsville, IL, November 13, 2020
Liu, D. The Impact of Transit Fare on Spatial Mismatch for Low-Income Transit-Dependent Workers A Study of the Chicago Metropolitan Area. Annual Meeting of the West Lakes Division of the American Association of Geographers (WLDAAG), Cedar Falls, IA, October 24-26, 2019
Liu, D. Does Transit Fare Impact Spatial Mismatch? A Case Study of Chicago Metropolitan Area. Annual Meeting of the American Association of Geographers (AAG), Washington D.C., April 3-7, 2019
Liu, D. Study of Mismatch Between Transit Accessibility and Commute Demand in the Greater Tokyo Area. Annual Meeting of the American Association of Geographers (AAG), New Orleans, LA, April 10-14, 2018

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